CN216478539U

CN216478539U - Axial positioning structure of cross assembly

Info

Publication number: CN216478539U
Application number: CN202122444939.5U
Authority: CN
Inventors: 龚白云
Original assignee: Wuxi Jinhe Machinery Co ltd
Current assignee: Wuxi Jinhe Machinery Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-05-10
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses an axial positioning structure of a cross assembly, which comprises a main body structure and a lubricating mechanism, wherein a rotating mechanism used for assisting the main body structure to rotate is arranged on one side in the main body structure, and the lubricating mechanism used for lubricating the main body structure is arranged above the middle part of the inner side of the main body structure. This cross assembly axial positioning structure, compare with current device, through depositing the oil pocket, can store lubricating oil, thereby at the during operation, flow into rolling bearing with lubricating oil through the oil-out, and then can lubricate rolling bearing, guarantee the smoothness degree of its work, through the sealing plug, take out it, can add lubricating oil, through the recess, can be when rolling bearing rotates, can store lubricating oil, thereby keep the lubricated persistence of rolling bearing, through leading the oil duct, can carry out inside logical oil, thereby can lubricate the contact site of axle sleeve and cross column cap, its and the cooperation of depositing the oil pocket, can improve lubricated efficiency.

Description

Axial positioning structure of cross assembly

Technical Field

The utility model relates to the technical field of axial positioning structures of cross assemblies, in particular to an axial positioning structure of a cross assembly.

Background

The cross shaft is also called a cross joint, namely a universal joint, and is named in english, is a part for realizing variable-angle power transmission, is used for a position where the direction of a transmission axis needs to be changed, and is a "joint" part of a universal transmission device of an automobile driving system, the cross shaft type rigid universal joint is a non-constant velocity universal joint widely used on an automobile, the maximum intersection angle of two adjacent shafts is allowed to be 15-20 degrees, the cross shaft is one of key parts of the cross shaft type rigid universal joint, and when the cross shaft is used, the cross shaft needs to be matched with an axial positioning structure to work.

When the existing cross assembly axial positioning structure is used, the axial positioning capacity is poor, multiple positioning cannot be carried out, and therefore when a cross shaft works for a long time, the problem that an inner bearing still moves axially is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an axial positioning structure of a cross assembly, which aims to solve the problems that when the cross shaft is used, the axial positioning capability is poor, multiple positioning cannot be carried out, and therefore when the cross shaft works for a long time, an internal bearing still moves axially.

In order to achieve the purpose, the utility model provides the following technical scheme: an axial positioning structure of a cross assembly comprises a main body structure and a lubricating mechanism, wherein a rotating mechanism used for assisting the main body structure to rotate is arranged on one side in the main body structure, the lubricating mechanism for lubricating the main structure is arranged above the middle part of the inner side of the main structure, one side of the outer part of the main structure is provided with an installation mechanism for sealing the main structure, and a positioning mechanism for reinforcing and positioning the main body structure is arranged above the other side in the main body structure, a fixing mechanism for fixing the main body structure is arranged below one side of the positioning mechanism, the positioning mechanism comprises a connecting lantern ring, convex rings, a limiting plate, a second screw and a through hole, the convex rings are fixed on two sides above the connecting lantern ring, and a limiting plate is arranged below one side of the connecting sleeve ring, a second screw is arranged on one side below the limiting plate, and a through hole is formed in the middle of the limiting plate.

Preferably, the main body structure comprises a cross-shaped column head, a bearing seat and a rotating bearing, wherein the bearing seat is arranged on one side of the surface of the cross-shaped column head, and the rotating bearing is arranged in the middle of the bearing seat.

Preferably, the main body structure further comprises a groove, the groove is formed in the rotating bearing, and the groove is dense.

Preferably, the main structure further comprises a shaft sleeve and a sealing ring, the shaft sleeve is mounted outside the cross-shaped column head, and the sealing ring is arranged at one end of the surface of the cross-shaped column head.

Preferably, the rotating mechanism comprises a graphite bushing and a ball, the ball is arranged on the inner side of the graphite bushing, and the outer surface of the ball is tightly attached to the outer surface of the cross-shaped column head.

Preferably, the lubricating mechanism comprises an oil storage cavity, an oil outlet and a sealing plug, the oil outlet is connected to the lower portion of one side of the oil storage cavity, and the sealing plug is mounted on one side of the upper portion of the oil storage cavity.

Preferably, the lubricating mechanism further comprises an oil guide channel, the oil guide channel is arranged in the middle of the cross-shaped column head, and the cross-shaped column head is communicated with the oil guide channel.

Preferably, the mounting mechanism comprises an end cover and first screws, the first screws are mounted in the middle of the surface of the end cover, and the first screws are distributed annularly relative to the end cover.

Preferably, the fixing mechanism comprises a threaded wall and a fixing ring, the fixing ring is mounted outside the threaded wall, and the side surface of the fixing ring is tightly attached to the side surface of the bearing seat.

Compared with the prior art, the utility model provides an axial positioning structure of a cross assembly, which has the following beneficial effects: this cross assembly axial positioning structure can reduce holistic operating pressure to be favorable to improving whole life more, and can lubricate, guarantee the smoothness degree of its work, can carry out dual location simultaneously, avoid taking place axial displacement.

1. According to the utility model, the rotating bearing can be installed and placed through the bearing seat, meanwhile, the position of the rotating bearing is positioned and limited, the joint can be sealed through the sealing ring, so that oil body in the device can be prevented from leaking in use, the rotation of the shaft sleeve can be completed through the balls, the working pressure of the rotating bearing can be reduced due to the matching of the shaft sleeve and the rotating bearing, the service life of the rotating bearing can be prolonged, the end cover and the shaft sleeve can be disassembled through the first screw, so that the end cover and the shaft sleeve can be taken down after use, the interior can be maintained, and the position of the bearing seat can be limited through the fixing ring after installation;

2. according to the utility model, the lubricating oil can be stored through the oil storage cavity, so that during operation, the lubricating oil flows into the rotary bearing through the oil outlet, the rotary bearing can be lubricated, the smoothness of the operation of the rotary bearing is ensured, the lubricating oil can be added by taking out the rotary bearing through the sealing plug, the lubricating oil can be stored through the groove when the rotary bearing rotates, the durability of the lubrication of the rotary bearing is kept, the internal oil can be communicated through the oil guide channel, the contact part of the shaft sleeve and the cross-shaped column head can be lubricated, and the lubricating efficiency can be improved by matching the oil storage cavity;

3. the convex ring of the connecting sleeve ring is fixed with the outer ring of the rotating bearing, so that the shaft sleeve and the cross-shaped column head can rotate after installation, meanwhile, the convex ring is made of rubber and is clamped with the shaft sleeve, the limiting force on the connecting sleeve ring can be improved, the connecting sleeve ring and the rotating bearing are prevented from being easily moved axially in the rotating process, the side surface of the limiting plate is prevented from being attached to the side of the connecting sleeve ring, the rotating position of the connecting sleeve ring can be limited, the rotating bearing can be positioned doubly by matching of the limiting plate and the convex ring, and oil can be fed and lubricated by the through hole.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present invention;

FIG. 2 is a schematic view of the overall external structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention.

In the figure: 1. a body structure; 101. a cross column head; 102. a bearing seat; 103. a rotating bearing; 104. A groove; 105. a shaft sleeve; 106. a seal ring; 2. a rotating mechanism; 201. a graphite bushing; 202. a ball bearing; 3. a lubrication mechanism; 301. an oil storage cavity; 302. an oil outlet; 303. a sealing plug; 304. an oil guide passage; 4. an installation mechanism; 401. an end cap; 402. a first screw; 5. a positioning mechanism; 501. a connecting lantern ring; 502. a convex ring; 503. a limiting plate; 504. a second screw; 505. a through hole; 6. a fixing mechanism; 601. a threaded wall; 602. and (4) fixing the ring.

Detailed Description

As shown in FIG. 1, an axial positioning structure of a cross assembly comprises a main body structure 1 and a lubricating mechanism 3, wherein a rotating mechanism 2 for assisting rotation of the main body structure 1 is installed on one side inside the main body structure 1, the lubricating mechanism 3 for lubricating the main body structure 1 is arranged above the middle part of the inner side of the main body structure 1, an installation mechanism 4 for sealing the main body structure 1 is installed on one side outside the main body structure 1, a positioning mechanism 5 for reinforcing positioning of the main body structure 1 is arranged above the other side inside the main body structure 1, a fixing mechanism 6 for fixing the main body structure 1 is arranged below one side of the positioning mechanism 5, a cross column head 101, a bearing seat 102 and a rotating bearing 103 are arranged on one side of the surface of the cross column head 101, the rotating bearing 103 is installed on the middle part of the bearing seat 102, and the rotating bearing 103 can be installed and placed through the bearing seat 102, the groove 104, the groove 104 is arranged inside the rotary bearing 103, and the groove 104 is a dense hole shape, through the groove 104, when the rotary bearing 103 rotates, the lubricating oil can be stored, so as to maintain the durability of the lubrication of the rotary bearing 103, the shaft sleeve 105 and the sealing ring 106, the shaft sleeve 105 is arranged outside the cross column head 101, and one end of the surface of the cross column head 101 is provided with the sealing ring 106, the joint can be sealed through the sealing ring 106, so that the oil body inside the device can be prevented from leaking when in use, the graphite bush 201 and the ball 202 are arranged inside the graphite bush 201, the outer surface of the ball 202 is tightly attached to the outer surface of the cross column head 101, through the ball 202, the rotation of the shaft sleeve 105 can be completed, the matching of the shaft sleeve and the rotary bearing 103 can be achieved, the working pressure of the rotary bearing 103 can be reduced, so as to be more beneficial to prolonging the service life of the rotary bearing 103, the lubricating device comprises an oil storage cavity 301, an oil outlet 302 and a sealing plug 303, wherein the oil outlet 302 is connected to the lower portion of one side of the oil storage cavity 301, the sealing plug 303 is installed on one side of the upper portion of the oil storage cavity 301, lubricating oil can be stored through the oil storage cavity 301, therefore, during operation, the lubricating oil flows into the rotary bearing 103 through the oil outlet 302, the rotary bearing 103 can be lubricated, the smoothness of the operation of the rotary bearing is guaranteed, the rotary bearing can be taken out through the sealing plug 303, the lubricating oil can be added, an oil guide channel 304 is arranged in the middle of the cross-shaped column head 101, the cross-shaped column head 101 is communicated with the oil guide channel 304, internal oil passing can be carried out through the oil guide channel 304, the contact portion of the shaft sleeve 105 and the cross-shaped column head 101 can be lubricated, and the lubricating efficiency can be improved due to the matching of the oil storage cavity 301.

As shown in fig. 1-4, the mounting mechanism 4 includes an end cap 401 and a first screw 402, the first screw 402 is mounted in the middle of the surface of the end cap 401, and the first screw 402 is annularly distributed with respect to the end cap 401, the end cap 401 and the shaft sleeve 105 can be detached by the first screw 402, so that after use, the end cap 401 and the shaft sleeve 105 can be removed, and the interior can be maintained, the positioning mechanism 5 includes a connection collar 501, a convex ring 502, a limit plate 503, a second screw 504 and a through hole 505, the convex ring 502 is fixed on both sides above the connection collar 501, the limit plate 503 is arranged below one side of the connection collar 501, the second screw 504 is mounted below one side of the limit plate 503, and the through hole 505 is opened in the middle of the limit plate 503, and is fixed with the outer ring of the rotary bearing 103 by the convex ring 502 of the connection collar 501, so that the shaft sleeve 105 and the column cap cross 101 can rotate after mounting, meanwhile, the convex ring 502 is made of rubber and is clamped with the shaft sleeve 105, so that the limiting force on the connecting sleeve ring 501 can be improved, the connecting sleeve ring 501 and the rotating bearing 103 are prevented from being easily axially moved in the rotating process, the side surface of the limiting plate 503 is prevented from being attached to the side of the connecting sleeve ring 501, the rotating position of the connecting sleeve ring 501 can be limited, the rotating bearing 103 can be dually positioned by matching of the limiting plate 503 with the convex ring 502, oil can be communicated and lubricated by the through hole 505, the threaded wall 601 and the fixing ring 602 are arranged outside the threaded wall 601, the side surface of the fixing ring 602 is closely attached to the side surface of the bearing seat 102, and the position of the bearing seat 102 can be limited by the fixing ring 602 after the fixing ring is installed.

The working principle is as follows: when the cross assembly axial positioning structure is used, firstly, the rotating bearing 103 can be installed and placed through the bearing seat 102, meanwhile, the position of the rotating bearing 103 is positioned and limited, then, the joint can be sealed through the sealing ring 106, so that the oil body in the device can be prevented from leaking when in use, then, the rotation of the shaft sleeve 105 can be completed through the ball 202, the matching of the shaft sleeve 105 and the rotating bearing 103 can reduce the working pressure of the rotating bearing 103, thereby being more beneficial to prolonging the service life of the rotating bearing 103, the end cover 401 and the shaft sleeve 105 can be disassembled through the first screw 402, so that after the use, the end cover 401 and the shaft sleeve 105 can be taken down and the inside can be maintained, at the moment, the position of the bearing seat 102 can be limited through the fixing ring 602 after the installation, and then, the protruding ring 502 connected with the lantern ring 501 is fixed with the outer ring of the rotating bearing 103, therefore, after installation, the shaft sleeve 105 and the cross column head 101 can rotate, meanwhile, the convex ring 502 is made of rubber and is clamped with the shaft sleeve 105, the limiting force on the connecting sleeve ring 501 can be improved, the connecting sleeve ring 501 and the rotary bearing 103 are prevented from easily moving axially in the rotating process, then the side surface of the convex ring is prevented from being attached to the side of the connecting sleeve ring 501 through the limiting plate 503, the rotating position of the connecting sleeve ring 501 can be limited, the rotary bearing 103 can be positioned in a dual mode through the matching of the convex ring 502 and the through hole 505, oil can be fed and lubricated, at the moment, lubricating oil can be stored through the oil storage cavity 301, therefore, during work, the lubricating oil flows into the rotary bearing 103 through the oil outlet 302, the rotary bearing 103 can be lubricated, the working smoothness of the rotary bearing 103 is guaranteed, and then the rotary bearing can be taken out through the sealing plug 303, can add lubricating oil, through recess 104, can be when rolling bearing 103 rotates, can store lubricating oil to keep rolling bearing 103 lubricated persistence, finally through leading oil duct 304, can carry out inside logical oil, thereby can lubricate the contact part of axle sleeve 105 and cross column cap 101, its and the cooperation of oil storage cavity 301, can improve lubricated efficiency.

Claims

1. The utility model provides a cross assembly axial positioning structure, includes major structure (1) and lubricated mechanism (3), a serial communication port, the inside one side of major structure (1) is installed and is used for supplementary pivoted slewing mechanism (2) of major structure (1), is used for major structure (1) lubricated mechanism (3) set up in the inboard middle part top of major structure (1), outside one side of major structure (1) is installed and is used for sealed installation mechanism (4) of major structure (1), and is provided with above the inside opposite side of major structure (1) and is used for major structure (1) to strengthen positioning mechanism (5), one side below of positioning mechanism (5) is provided with and is used for fixed mechanism (6) of major structure (1), positioning mechanism (5) are including connecting lantern ring (501), protruding ring (502), Limiting plate (503), second screw (504) and through-hole (505), the top both sides of connecting lantern ring (501) are fixed with bulge loop (502), and are connected one side below of lantern ring (501) and are provided with limiting plate (503), second screw (504) are installed to below one side of limiting plate (503), and through-hole (505) have been seted up at the middle part of limiting plate (503).

2. The cross assembly axial positioning structure is characterized in that the main body structure (1) comprises a cross column head (101), a bearing seat (102) and a rotary bearing (103), the bearing seat (102) is arranged on one side of the surface of the cross column head (101), and the rotary bearing (103) is arranged in the middle of the bearing seat (102).

3. A cross assembly axial positioning structure according to claim 2, wherein the main body structure (1) further comprises a groove (104), the groove (104) is opened inside the rotating bearing (103), and the groove (104) is dense hole-shaped.

4. A cross assembly axial positioning structure according to claim 2, wherein the main body structure (1) further comprises a shaft sleeve (105) and a sealing ring (106), the shaft sleeve (105) is installed outside the cross head (101), and one end of the surface of the cross head (101) is provided with the sealing ring (106).

5. A cross assembly axial positioning structure according to claim 2, wherein the rotating mechanism (2) comprises a graphite bushing (201) and balls (202), the inner side of the graphite bushing (201) is provided with the balls (202), and the outer surface of the balls (202) is tightly attached to the outer surface of the cross stud (101).

6. The cross assembly axial positioning structure is characterized in that the lubricating mechanism (3) comprises an oil storage cavity (301), an oil outlet (302) and a sealing plug (303), the oil outlet (302) is connected to the lower portion of one side of the oil storage cavity (301), and the sealing plug (303) is installed on the upper portion of the oil storage cavity (301).

7. The cross assembly axial positioning structure according to claim 2, wherein the lubricating mechanism (3) further comprises an oil guide channel (304), the oil guide channel (304) is formed in the middle of the cross head (101), and the cross head (101) is communicated with the oil guide channel (304).

8. A cross assembly axial positioning structure according to claim 1, wherein the mounting mechanism (4) comprises an end cap (401) and a first screw (402), the first screw (402) is mounted in the middle of the surface of the end cap (401), and the first screw (402) is annularly distributed with respect to the end cap (401).

9. A cross assembly axial positioning structure according to claim 2, wherein the fixing mechanism (6) comprises a threaded wall (601) and a fixing ring (602), the fixing ring (602) is mounted on the outside of the threaded wall (601), and the side surface of the fixing ring (602) is tightly attached to the side surface of the bearing seat (102).